Give the exact value.cos 150°
A. - 
B. 
C. - 
D. 
Answer: C
Mathematics
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For the given arithmetic series, what is Sn?a1 = 5, d = -3, and n = 12
A. -138 B. -276 C. -133 D. -552
Mathematics
Use your knowledge of multiplying signed numbers along with the techniques of multiplying decimals to find the product.-0.37 × (-0.2)
A. -0.074 B. 0.074 C. 0.74 D. 0.0074
Mathematics
Use a spherical coordinate integral to find the volume of the given solid.the solid between the sphere 
and the cardioid of revolution 
A. 
?
B. 
?
C. 
?
D. 
?
Mathematics
Identify the number represented on the abacus.
A. 606,520 B. 66,520 C. 600,652 D. 60,652
Mathematics